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    • 4. 发明授权
    • Biocompatible, stable and concentrated fluorocarbon emulsions for
contrast enhancement and oxygen transport in internal animal use
    • 生物相容,稳定和浓缩的氟碳乳液,用于内部动物使用中的对比增强和氧气输送
    • US4987154A
    • 1991-01-22
    • US82846
    • 1987-08-05
    • David M. Long, Jr.
    • David M. Long, Jr.
    • A61K9/00A61K31/02
    • A61K9/0026A61K31/02Y10S514/832Y10S977/738Y10S977/773Y10S977/895Y10S977/902Y10S977/906Y10S977/915
    • An up to 125% fluorocarbon emulsion for use in or with animal bodies and organs thereof, maintains emulsion stability through normal sterilization procedures with selective osmotic and buffering agents, maintains the emulsion at within predetermined osmolarity levels and, when desired, free of excessive calcium precipitation, reduces in vivo and in vitro red blood cell injury, reduces adverse anemia effects, reduces viscosity and reduces the rate of oxidation, and tends to equilibrate its distribution in major body organs thereby reducing toxicity. The osmotic agents may buffer and may provide nutrient in the form of sugars. The osmotic and buffering agents can comprise, selectively, hexahydric alcohols, namely mannitol and sorbitol; certain sugars, namely glucose, mannose and fructose; along with buffering agents that will affect osmolarity including imidazole, tris(hydroxymethyl)aminomethane, sodium chloride, sodium bicarbonate, monobasic potassium phosphate, dibasic potassium phosphate, calcium chloride, magnesium sulfate, monobasic sodium phosphate, dibasic sodium phosphate or combinations of them. The emulsion may include tocopherol. A method of emulsifying the fluorocarbon includes forced flow impingement under pressure after mixing the fluorocarbon into the discontinuous phase. The fluorocarbon emulsion can be used to deliver drugs and medicines soluble in, or transportable by the emulsion.
    • 用于动物体及其器官中的高达125%的氟碳乳液,通过选择渗透和缓冲剂的正常灭菌程序保持乳液稳定性,将乳液保持在预定的渗透压浓度范围内,并且当需要时,不含过量的钙沉淀 减少体内和体外红细胞损伤,减少不良的贫血作用,降低粘度和降低氧化速率,并趋于平衡其在主体器官中的分布,从而降低毒性。 渗透剂可以缓冲并且可以以糖的形式提供营养物质。 渗透和缓冲剂可以选择性地包含六元醇,即甘露糖醇和山梨糖醇; 某些糖,即葡萄糖,甘露糖和果糖; 以及将影响渗透压的缓冲剂,包括咪唑,三(羟甲基)氨基甲烷,氯化钠,碳酸氢钠,一磷酸钾,磷酸氢二钾,氯化钙,硫酸镁,磷酸二氢钠,磷酸氢二钠或它们的组合。 乳液可以包括生育酚。 将碳氟化合物乳化的方法包括在将碳氟化合物混入不连续相之后的压力下的强制流动冲击。 氟碳乳液可用于输送可溶于乳剂或可由乳剂运输的药物和药物。